HydroBASINS lev08 watershed · #7080617340
Bassin · #7080617340
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Clark
Sub-basin area
537,1km²
Upstream area
537,1km²
Discharge
0,06m³/s
Mean elev.
1 323m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- Clark537.3 km²100.0% of basin
3 intersecting protected areas
National Wildlife Refuge
432.55 km² overlap
National Wildlife Refuge
431.38 km² overlap
Arrow Canyon
IUCN IbWilderness Area
24.98 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
491 distinct species · 4 409 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin · #7080617340 : 35 espèces reliées par 113 interactions GloBI sur 4 types (connectance 8.9%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
14,1°C
Annual rain
213mm
Moisture idx (CMI)
-0,84
Runoff
10mm/an
PET
1 376mm
AET
182mm
Mean slope
9,6°
Water table
838cm
Forest
21%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)